W DOC AIRBUS | AMM A320F

Installation of the Fuel Manifold [PW11]

TASK 73-11-02-400-801-A
Installation of the Fuel Manifold

WARNING: BE CAREFUL WHEN YOU DO WORK ON THE ENGINE AND THE ADJACENT COMPONENTS AFTER ENGINE SHUTDOWN. THE ENGINE, THE ENGINE OIL AND THE ADJACENT COMPONENTS CAN STAY HOT FOR A LONG TIME. IF YOU DO NOT OBEY THIS INSTRUCTION, INJURY CAN OCCUR.
WARNING: BE CAREFUL WHEN YOU USE CONSUMABLE MATERIALS. OBEY THE MATERIAL MANUFACTURER'S INSTRUCTIONS AND YOUR LOCAL REGULATIONS.
ZONE: 400
1. Reason for the Job
Use this procedure to install the fuel manifold.
2. Job Set-up Information
 A. Fixtures, Tools, Test and Support Equipment
REFERENCE
QTY
DESIGNATION
No specific
Torque wrench: range to between 18 and 15 lbf.in (0.20 and 0.17 m.daN ) T
No specific
Torque wrench: range to between 44 and 38 lbf.in (0.50 and 0.43 m.daN ) T
No specific
Torque wrench: range to between 70 and 60 lbf.in (0.79 and 0.68 m.daN ) T
No specific
Torque wrench: range to between 75 and 65 lbf.in (0.85 and 0.73 m.daN ) T
No specific
Torque wrench: range to between 120 and 110 lbf.in (1.36 and 1.24 m.daN ) T
No specific
Torque wrench: range to between 225 and 200 lbf.in (2.54 and 2.26 m.daN ) T
No specific
Torque wrench: range to between 225 and 220 lbf.in (2.54 and 2.49 m.daN ) T
No specific
Torque wrench: range to between 275 and 250 lbf.in (3.11 and 2.83 m.daN ) T
No specific
Torque wrench: range to between 300 and 270 lbf.in (3.39 and 3.05 m.daN ) T
No specific
Torque wrench: range to between 375 and 340 lbf.in (4.24 and 3.84 m.daN ) T
No specific
Torque wrench: range to between 425 and 375 lbf.in (4.80 and 4.24 m.daN ) T
No specific
Torque wrench: range to between 525 and 425 lbf.in (5.93 and 4.80 m.daN ) T
No specific
Torque wrench: range to between 525 and 475 lbf.in (5.93 and 5.37 m.daN ) T
No specific
Torque wrench: range to between 750 and 675 lbf.in (8.48 and 7.63 m.daN ) T
 B. Consumable Materials
REFERENCE
DESIGNATION
(Material No.P03-001)
lubricant, aircraft turbine engine (synthetic base)
(Material No.P06-054)
compound, paste, anti-seize
 C. Work Zones and Access Panels
ZONE/ACCESS
ZONE DESCRIPTION
400
POWER PLANT, NACELLES AND PYLONS
FOR [4020KM1] (POWER PLANT-DEMOUNTABLE, ENG 1)
437AL, 438AR, 452AR
FOR [4020KM2] (POWER PLANT-DEMOUNTABLE, ENG 2)
447AL, 448AR, 462AR
 D. Expendable Parts
FIG.ITEM
DESIGNATION
IPC-CSN
8
PACKING
EIPC 73-11-02-01-070
19
FACE SEAL
EIPC 73-11-02-01-080
60
FACE SEAL
EIPC 73-11-02-01-080
19
FACE SEAL
EIPC 73-11-02-01-090
6
PACKING
EIPC 73-11-02-01-200
7
PACKING
EIPC 73-11-02-01-220
3
PACKING
EIPC 73-11-02-01-240
 E. Referenced Information
REFERENCE
DESIGNATION
TASK 71-00-00-720-811-A
Test No. 3A - Idle Power Test
TASK 71-00-00-860-833-A
Procedure to Prevent Engine Motoring
TASK 71-13-00-010-802-A
Opening of the Fan Cowl Doors
TASK 71-13-00-410-802-A
Closing of the Fan Cowl Doors
TASK 73-11-01-400-801-A
Installation of the Integrated Fuel Pump and Control (IFPC)
TASK 73-11-06-400-801-A
Installation of the Fuel Filter Element
TASK 73-11-07-400-801-A
Installation of the Fuel Filter Housing
TASK 73-34-21-400-801-A
Installation of the Fuel Filter Differential Pressure Sensor
TASK 78-30-00-040-805-A
Deactivation of the Thrust Reverser System for Ground Maintenance
TASK 78-30-00-440-805-A
Reactivation of the Thrust Reverser System after Ground Maintenance
TASK 78-36-00-010-802-A
Opening of the Thrust Reverser Cowl-Doors
TASK 78-36-00-410-802-A
Closing of the Thrust Reverser Cowl-Doors
F Fuel Manifold
F Fuel Manifold
3. Job Set-up
Subtask 73-11-02-941-051-A ** ON A/C NOT FOR ALL
A. Safety Precautions
   (1) Do the procedure to prevent engine motoring
(Ref. AMM TASK 71-00-00-860-833).
Subtask 73-11-02-010-052-A ** ON A/C NOT FOR ALL
B. Get Access
   (1) Make sure that the fan cowl doors are open (Ref. AMM TASK 71-13-00-010-802):
     (a) FOR [4020KM1] (POWER PLANT-DEMOUNTABLE, ENG 1)
437AL, 438AR
     (b) FOR [4020KM2] (POWER PLANT-DEMOUNTABLE, ENG 2)
447AL, 448AR.
Subtask 73-11-02-040-051-A ** ON A/C NOT FOR ALL
C. Deactivation of the Thrust Reverser System for Maintenance
WARNING: YOU MUST DEACTIVATE THE THRUST REVERSER BEFORE YOU DO WORK ON OR AROUND IT. IF YOU DO NOT, THE THRUST REVERSER CAN OPERATE ACCIDENTALLY AND CAUSE AN INJURY AND/OR DAMAGE.
   (1) Make sure that you did the deactivation of the thrust reverser system for maintenance (Ref. AMM TASK 78-30-00-040-805).
Subtask 73-11-02-010-053-A ** ON A/C NOT FOR ALL
D. Get Access
   (1) Make sure that the right thrust reverser cowl-doors are open (Ref. AMM TASK 78-36-00-010-802):
     (a) FOR [4020KM1] (POWER PLANT-DEMOUNTABLE, ENG 1)
452AR
     (b) FOR [4020KM2] (POWER PLANT-DEMOUNTABLE, ENG 2)
462AR.
4. Procedure
Subtask 73-11-02-420-050-A ** ON A/C NOT FOR ALL
A. Installation of Fuel Manifold
CAUTION: WIPE CLEAN ALL PARTS AND TOOLS AS NECESSARY TO REMOVE UNWANTED DEBRIS AND PREVENT DAMAGE TO THE ENGINE.
CAUTION: USE A SECOND WRENCH TO HOLD THE MATING PARTS WHEN YOU LOOSEN OR TIGHTEN THE TUBE OR HOSE NUTS. IF YOU DO NOT OBEY THIS CAUTION, YOU CAN TWIST OR CAUSE DAMAGE TO THE TUBES OR HOSES.
CAUTION: REMOVE THE PROTECTION COVERS FROM THE OPENINGS AS NECESSARY TO PREVENT ENGINE DAMAGE.
   (1) Make sure that you remove all the necessary COVER - PROTECTION to prevent damage to the engine.
   (2) Install the adapters (1), (2) and (5) to the fuel manifold (4) as follows:
F Fuel Manifold ** ON A/C NOT FOR ALL
     (a) Apply the P03-001lubricant, aircraft turbine engine (synthetic base) to the new EIPC 73-11-02-01-240 PACKING (3), new EIPC 73-11-02-01-200 PACKING (6), new EIPC 73-11-02-01-220 PACKING (7) and new EIPC 73-11-02-01-070 PACKING (8) and the adapters (1), (2) and (5).
     (b) Install the packings (3), (6) and (7) to the adapters (1), (2) and (5).
     (c) Install the adapter (1) to the fuel manifold (4).
     (d) TORQUE the adapter (1) to between 275 and 250 lbf.in (3.11 and 2.83 m.daN ) T.
     (e) Install the adapter (2) to the fuel manifold (4).
     (f) TORQUE the adapter (2) to between 425 and 375 lbf.in (4.80 and 4.24 m.daN ) T.
     (g) Install the adapter (5) to the fuel manifold (4).
     (h) TORQUE the adapter (5) to between 120 and 110 lbf.in (1.36 and 1.24 m.daN ) T.
     (i) Install the packing (8) to the fuel manifold (4).
   (3) Install the fuel manifold (4) to the main gearbox as follows:
F Fuel Manifold ** ON A/C NOT FOR ALL
     (a) Apply the P03-001lubricant, aircraft turbine engine (synthetic base) to the threads of the five nuts (17).
     (b) Align and install the fuel manifold (4) with the five nuts (17) and the five washers (18).
     (c) TORQUE the five nuts (17) to between 300 and 270 lbf.in (3.39 and 3.05 m.daN ) T.
   (4) Apply the P06-054compound, paste, anti-seize to the threads of the six bolts (20).
     (a) For the new or the refurbished bolts or the nuts with the baked-on lubricant, do not do the wet application.
   (5) Connect the tube (FL01) and the new EIPC 73-11-02-01-080 FACE SEAL (19) to the fuel manifold (4) with the three bolts (20).
   (6) TORQUE the three bolts (20) to between 70 and 60 lbf.in (0.79 and 0.68 m.daN ) T in small increments and until the same torque indication holds.
   (7) Connect the tube (FH02) and the new EIPC 73-11-02-01-080 FACE SEAL (19) to the fuel manifold (4) with the three bolts (20).
   (8) TORQUE the three bolts (20) to between 70 and 60 lbf.in (0.79 and 0.68 m.daN ) T in small increments and until the same torque indication holds.
   (9) Install the bracket (31) on the fuel manifold (4) with the four bolts (32).
F Fuel Manifold ** ON A/C NOT FOR ALL
   (10) Install the adapter (30) to the fuel manifold (4).
   (11) TORQUE the four bolts (32) to between 70 and 60 lbf.in (0.79 and 0.68 m.daN ) T.
   (12) TORQUE the adapter (30) to between 75 and 65 lbf.in (0.85 and 0.73 m.daN ) T.
   (13) Connection of the drain tube (DR41):
     (a) Connect the drain tube (DR41) to the fuel manifold (4).
     (b) TORQUE the drain tube (DR41) B-nut as follows:
       1 TORQUE the B-nut to between 75 and 65 lbf.in (0.85 and 0.73 m.daN ) T.
       2 Loosen the B-nut to zero.
       3 TORQUE the B-nut again to between 75 and 65 lbf.in (0.85 and 0.73 m.daN ) T.
         a Do not loosen the B-nut.
       4 TORQUE the B-nut again to between 75 and 65 lbf.in (0.85 and 0.73 m.daN ) T.
   (14) Connection of the tube (FD04):
     (a) Connect the tube (FD04) to the fuel manifold (4).
     (b) TORQUE the tube (FD04) B-nut to between 225 and 220 lbf.in (2.54 and 2.49 m.daN ) T.
   (15) Install the manifold (CP01) (42) on the fuel manifold (4) and on the tube (CP04) as follows:
     (a) Connect the manifold (42) to the tube (CP04).
F Fuel Manifold ** ON A/C NOT FOR ALL
     (b) Connect the manifold (42) to the fuel manifold (4).
F Fuel Manifold ** ON A/C NOT FOR ALL
     (c) Connect the tube (CP03) to the manifold (42).
F Fuel Manifold ** ON A/C NOT FOR ALL

PRE SB C73-00-0009A (Config-1 Initial Design Configuration)
     (d) Connect the tube (CP11) to the manifold (42).
F Fuel Manifold ** ON A/C NOT FOR ALL
END OF PRE SB C73-00-0009A (Config-1 Initial Design Configuration)

POST SB C73-00-0009A (Config-2 Improved Accessibility Design Configuration)
     (e) Connect the tube (CP25) to the manifold (42).
F Fuel Manifold ** ON A/C NOT FOR ALL
END OF POST SB C73-00-0009A (Config-2 Improved Accessibility Design Configuration)
     (f) Apply the P06-054compound, paste, anti-seize to the threads of the two bolts (56).
F Fuel Manifold ** ON A/C NOT FOR ALL
       1 For the new or the refurbished bolts or the nuts with the baked-on lubricant, do not do the wet application.
     (g) Install the two bolts (56) on the two clamps (72), the manifold (41) and the manifold (42) fingertight.
F Fuel Manifold ** ON A/C NOT FOR ALL
     (h) TORQUE the manifold (42) B-nut connected to the fuel manifold (4) as follows:
F Fuel Manifold ** ON A/C NOT FOR ALL
       1 TORQUE the B-nut to between 525 and 475 lbf.in (5.93 and 5.37 m.daN ) T.
       2 Loosen the B-nut to zero.
       3 TORQUE the B-nut again to between 525 and 475 lbf.in (5.93 and 5.37 m.daN ) T.
         a Do not loosen the B-nut.
       4 TORQUE the B-nut again to between 525 and 475 lbf.in (5.93 and 5.37 m.daN ) T.
     (i) Torque the tube (CP04) B-nut connected to the manifold (CP01) (42) as follows:
F Fuel Manifold ** ON A/C NOT FOR ALL
       1 TORQUE the B-nut to between 525 and 425 lbf.in (5.93 and 4.80 m.daN ) T.
       2 Loosen the B-nut to zero.
       3 TORQUE the B-nut again to between 525 and 425 lbf.in (5.93 and 4.80 m.daN ) T.
         a Do not loosen the B-nut.
       4 TORQUE the B-nut again to between 525 and 425 lbf.in (5.93 and 4.80 m.daN ) T.
     (j) Torque the tube (CP03) B-nut as follows:
       1 TORQUE the B-nut to between 225 and 200 lbf.in (2.54 and 2.26 m.daN ) T.
       2 Loosen the B-nut to zero.
       3 TORQUE the B-nut again to between 225 and 200 lbf.in (2.54 and 2.26 m.daN ) T.
         a Do not loosen the B-nut.
       4 TORQUE the B-nut again to between 225 and 200 lbf.in (2.54 and 2.26 m.daN ) T.

PRE SB C73-00-0009A (Config-1 Initial Design Configuration)
     (k) Torque the tube (CP11) B-nut as follows:
F Fuel Manifold ** ON A/C NOT FOR ALL
       1 TORQUE the B-nut to between 375 and 340 lbf.in (4.24 and 3.84 m.daN ) T.
       2 Loosen the B-nut to zero.
       3 TORQUE the B-nut again to between 375 and 340 lbf.in (4.24 and 3.84 m.daN ) T.
         a Do not loosen the B-nut.
       4 TORQUE the B-nut again to between 375 and 340 lbf.in (4.24 and 3.84 m.daN ) T.
END OF PRE SB C73-00-0009A (Config-1 Initial Design Configuration)

POST SB C73-00-0009A (Config-2 Improved Accessibility Design Configuration)
     (l) Torque the tube (CP25) B-nut as follows:
F Fuel Manifold ** ON A/C NOT FOR ALL
       1 TORQUE the B-nut to between 375 and 340 lbf.in (4.24 and 3.84 m.daN ) T.
       2 Loosen the B-nut to zero.
       3 TORQUE the B-nut again to between 375 and 340 lbf.in (4.24 and 3.84 m.daN ) T.
         a Do not loosen the B-nut.
       4 TORQUE the B-nut again to between 375 and 340 lbf.in (4.24 and 3.84 m.daN ) T.

END OF POST SB C73-00-0009A (Config-2 Improved Accessibility Design Configuration)

   (16) TORQUE the two bolts (56) to between 44 and 38 lbf.in (0.50 and 0.43 m.daN ) T.
   (17) Install the heat shield (43) with the clamp (45) on the manifold (42).
   (18) TORQUE the clamp (45) to between 18 and 15 lbf.in (0.20 and 0.17 m.daN ) T.
   (19) Install the heat shield (43) with the clamp (45) on the tube (CP11).
   (20) TORQUE the clamp (45) to between 18 and 15 lbf.in (0.20 and 0.17 m.daN ) T.
   (21) Connect the tube (CP09) (44) B-nut to the fuel manifold (4).
F Fuel Manifold ** ON A/C NOT FOR ALL
     (a) Torque the tube (CP09) (44) as follows:
       1 TORQUE the B-nut to between 225 and 220 lbf.in (2.54 and 2.49 m.daN ) T.
       2 Loosen the B-nut to zero.
       3 TORQUE the B-nut again to between 225 and 220 lbf.in (2.54 and 2.49 m.daN ) T.
         a Do not loosen the B-nut.
       4 TORQUE the B-nut again to between 225 and 220 lbf.in (2.54 and 2.49 m.daN ) T.
       5 Install the heat shield (43) with the clamp (45) to the tube (CP09) (44).
       6 TORQUE the clamp (45) to between 18 and 15 lbf.in (0.20 and 0.17 m.daN ) T.
   (22) Install the manifold (CR01) (41) on the fuel manifold (4) and on the tube (CR04) as follows:
     (a) Connect the manifold (41) to the tube (CR04).
F Fuel Manifold ** ON A/C NOT FOR ALL
     (b) Connect the manifold (41) to the fuel manifold (4).
F Fuel Manifold ** ON A/C NOT FOR ALL
     (c) Connect the tube (CR03) to the manifold (41).
F Fuel Manifold ** ON A/C NOT FOR ALL

PRE SB C73-00-0009A (Config-1 Initial Design Configuration)
     (d) Connect the tube (CR11) to the manifold (41).
F Fuel Manifold ** ON A/C NOT FOR ALL
END OF PRE SB C73-00-0009A (Config-1 Initial Design Configuration)

POST SB C73-00-0009A (Config-2 Improved Accessibility Design Configuration)
     (e) Connect the tube (CR25) to the manifold (41).
F Fuel Manifold ** ON A/C NOT FOR ALL
END OF POST SB C73-00-0009A (Config-2 Improved Accessibility Design Configuration)
     (f) Apply the P06-054compound, paste, anti-seize to the threads of the two bolts (71).
F Fuel Manifold ** ON A/C NOT FOR ALL
       1 For the new or the refurbished bolts or the nuts with the baked-on lubricant, do not do the wet application.
     (g) Install the bracket (70), manifold (41) and manifold (42) to the manifold bracket with the two bolts (71) fingertight.
NOTE: The two bolts go through the bracket and the two manifolds to the thread into the manifold bracket.
     (h) Apply the P06-054compound, paste, anti-seize to the threads of the two bolts (56).
       1 For the new or the refurbished bolts or the nuts with the baked-on lubricant, do not do the wet application.
     (i) Install the two bolts (56) on the two clamps (72), the manifold (41) and the manifold (42) fingertight.
     (j) Torque the manifold (41) B-nut connected to the fuel manifold (4) as follows:
F Fuel Manifold ** ON A/C NOT FOR ALL
       1 TORQUE the B-nut to between 750 and 675 lbf.in (8.48 and 7.63 m.daN ) T.
       2 Loosen the B-nut to zero.
       3 TORQUE the B-nut again to between 750 and 675 lbf.in (8.48 and 7.63 m.daN ) T.
         a Do not loosen the B-nut.
       4 TORQUE the B-nut again to between 750 and 675 lbf.in (8.48 and 7.63 m.daN ) T.
     (k) Torque the tube (CR04) B-nut as follows:
F Fuel Manifold ** ON A/C NOT FOR ALL
       1 TORQUE the B-nut to between 750 and 675 lbf.in (8.48 and 7.63 m.daN ) T.
       2 Loosen the B-nut to zero.
       3 TORQUE the B-nut again to between 750 and 675 lbf.in (8.48 and 7.63 m.daN ) T.
         a Do not loosen the B-nut.
       4 TORQUE the B-nut again to between 750 and 675 lbf.in (8.48 and 7.63 m.daN ) T.
     (l) Torque the tube (CR03) B-nut as follows:
       1 TORQUE the B-nut to between 375 and 340 lbf.in (4.24 and 3.84 m.daN ) T.
       2 Loosen the B-nut to zero.
       3 TORQUE the B-nut again to between 375 and 340 lbf.in (4.24 and 3.84 m.daN ) T.
         a Do not loosen the B-nut.
       4 TORQUE the B-nut again to between 375 and 340 lbf.in (4.24 and 3.84 m.daN ) T.

PRE SB C73-00-0009A (Config-1 Initial Design Configuration)
     (m) Torque the tube (CR11) B-nut as follows:
F Fuel Manifold ** ON A/C NOT FOR ALL
       1 TORQUE the B-nut to between 375 and 340 lbf.in (4.24 and 3.84 m.daN ) T.
       2 Loosen the B-nut to zero.
       3 TORQUE the B-nut again
         a Do not loosen the B-nut.
       4 TORQUE the B-nut again to between 375 and 340 lbf.in (4.24 and 3.84 m.daN ) T.
END OF PRE SB C73-00-0009A (Config-1 Initial Design Configuration)

POST SB C73-00-0009A (Config-2 Improved Accessibility Design Configuration)
     (n) Torque the tube (CR25) B-nut as follows:
F Fuel Manifold ** ON A/C NOT FOR ALL
       1 TORQUE the B-nut to between 375 and 340 lbf.in (4.24 and 3.84 m.daN ) T.
       2 Loosen the B-nut to zero.
       3 TORQUE the B-nut again to between 375 and 340 lbf.in (4.24 and 3.84 m.daN ) T.
         a Do not loosen the B-nut.
       4 TORQUE the B-nut again to between 375 and 340 lbf.in (4.24 and 3.84 m.daN ) T.
END OF POST SB C73-00-0009A (Config-2 Improved Accessibility Design Configuration)
     (o) TORQUE the two bolts (71) to between 44 and 38 lbf.in (0.50 and 0.43 m.daN ) T.
F Fuel Manifold ** ON A/C NOT FOR ALL
     (p) TORQUE the two bolts (56) to between 44 and 38 lbf.in (0.50 and 0.43 m.daN ) T.

PRE SB C73-00-0009A (Config-1 Initial Design Configuration)
     (q) Install the heat shield (43) with the clamp (45) to the tube (CR11).
F Fuel Manifold ** ON A/C NOT FOR ALL
END OF PRE SB C73-00-0009A (Config-1 Initial Design Configuration)

POST SB C73-00-0009A (Config-2 Improved Accessibility Design Configuration)
     (r) Install the heat shield (43) with the clamp (45) to the tube (CR25).
F Fuel Manifold ** ON A/C NOT FOR ALL
END OF POST SB C73-00-0009A (Config-2 Improved Accessibility Design Configuration)
     (s) TORQUE the clamp (45) to between 18 and 15 lbf.in (0.20 and 0.17 m.daN ) T.
   (23) Apply the P06-054compound, paste, anti-seize to the threads of the three bolts (20).
F Fuel Manifold ** ON A/C NOT FOR ALL
     (a) For the new or the refurbished bolts or the nuts with the baked-on lubricant, do not do the wet application.
   (24) Connect the tube (FH01) and the new EIPC 73-11-02-01-090 FACE SEAL (19) with the three bolts (20).
   (25) TORQUE the three bolts (20) to between 70 and 60 lbf.in (0.79 and 0.68 m.daN ) T in small increments and until the same torque indication holds.
   (26) Install the tube (FM01) (57) on the fuel manifold (4) and on the fuel flow transmitter as follows:
F Fuel Manifold ** ON A/C NOT FOR ALL
     (a) Connect the tube (57) to the fuel flow transmitter fingertight.
     (b) Apply the P06-054compound, paste, anti-seize to the threads of the three bolts (58).
       1 For the new or the refurbished bolts or the nuts with the baked-on lubricant, do not do the wet application.
     (c) Install the new EIPC 73-11-02-01-080 FACE SEAL (60), the tube (FM01) (57) and the bracket (59) on the fuel manifold (4) with the three bolts (58) finger-tight.
     (d) Apply the P06-054compound, paste, anti-seize to the threads of the three bolts (56).
       1 For the new or the refurbished bolts or the nuts with the baked-on lubricant, do not do the wet application.
     (e) Install the three bolts (56) to the three clamps (55), the bracket (61) and the tube (FM01) (57) fingertight.
     (f) TORQUE the three bolts (58) to between 70 and 60 lbf.in (0.79 and 0.68 m.daN ) T in small increments and until the same torque indication holds.
     (g) Torque the tube (57) B-nut as follows:
       1 TORQUE the B-nut to between 750 and 675 lbf.in (8.48 and 7.63 m.daN ) T.
       2 Loosen the B-nut to zero.
       3 TORQUE the B-nut again to between 750 and 675 lbf.in (8.48 and 7.63 m.daN ) T.
         a Do not loosen the B-nut.
       4 TORQUE the B-nut again to between 750 and 675 lbf.in (8.48 and 7.63 m.daN ) T.
     (h) TORQUE the three bolts (56) to between 44 and 38 lbf.in (0.50 and 0.43 m.daN ) T.
     (i) Apply the P06-054compound, paste, anti-seize to the threads of the three bolts (56).
       1 For the new or the refurbished bolts or the nuts with the baked-on lubricant, do not do the wet application.
     (j) Install the three bolts (56) on the brackets (31) and (59).
     (k) TORQUE the three bolts (56) to between 44 and 38 lbf.in (0.50 and 0.43 m.daN ) T.
   (27) Install the fuel filter housing (Ref. AMM TASK 73-11-07-400-801).
   (28) Install the fuel filter element (Ref. AMM TASK 73-11-06-400-801).
   (29) Install the fuel filter differential pressure sensor (Ref. AMM TASK 73-34-21-400-801).
   (30) Install the Integrated Fuel Pump and Control (IFPC) (Ref. AMM TASK 73-11-01-400-801).
   (31) Examine the assembly for the foreign objects, damage and correct assembly.
5. Close-up
Subtask 73-11-02-410-050-A ** ON A/C NOT FOR ALL
A. Close Access
   (1) Make sure that the work area is clean and clear of tools and other items.
   (2) Close the thrust reverser cowl-doors (Ref. AMM TASK 78-36-00-410-802):
     (a) FOR [4020KM1] (POWER PLANT-DEMOUNTABLE, ENG 1)
452AR
     (b) FOR [4020KM2] (POWER PLANT-DEMOUNTABLE, ENG 2)
462AR.
Subtask 73-11-02-440-050-A ** ON A/C NOT FOR ALL
B. Do the reactivation of the thrust reverser system after maintenance (Ref. AMM TASK 78-30-00-440-805).
Subtask 73-11-02-410-051-A ** ON A/C NOT FOR ALL
C. Close Access
   (1) Close the fan cowl doors (Ref. AMM TASK 71-13-00-410-802):
     (a) FOR [4020KM1] (POWER PLANT-DEMOUNTABLE, ENG 1)
437AL, 438AR
     (b) FOR [4020KM2] (POWER PLANT-DEMOUNTABLE, ENG 2)
447AL, 448AR.
   (2) Remove the WARNING NOTICE(S).
Subtask 73-11-02-710-050-A ** ON A/C NOT FOR ALL
D. Do the Tests
   (1) Do the test No. 3 (Ref. AMM TASK 71-00-00-720-811).
[Rev.10 from 2021] 2026.04.01 13:03:28 UTC
"Aviabrain" 2025